Hi, I'm trying to configure drbd9 with openstack-cinder. Actually my (simplified) infrastructure is composed by: - 2 drbd9 nodes with 2 NICs on each node, one for the "replication" network (without using a switch) and one for the "storage" network. - 1 compute node with a dedicated NIC connected to the storage network - 1 controller with openstack-cinder-volume installed on it.
Please, review the configuration at https://www.draw.io/#G1P2uJ9LoXc0bJdNRS9m2fN5cuik73t7_T My questions are: 1) Using the DRBD Transport, can I connect directly compute nodes to the drbd storage without passing through the cinder-volume node? 2) if yes, what I have to install on each node? I suppose: drbd9 kernel module + utils + drbdmanage on DRBD1 and DRBD2 drbd9 kernel module + utils on COMPUTE nodes drbdmanage on openstack-cinder-volume (???) 3) How should I configure openstack-cinder-volume in drbdmanage??? (External node or whatelse?) Please note that replication network and storage network are 2 different subnets! IPs I've used in drbdmanage when I created the drbd cluster belongs to the replication network. Is this correct? 192.168.10.0/24 = replication network 192.168.20.0/24 = storage network I'm sorry, but I'm a bit confused about this configuration Thank you, Marco
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